scavenging air meaning in Hindi

Examples

1. Barium has few industrial applications, but the metal has been historically used to scavenge air in vacuum tubes.
2. Porting allows exhaust gases to be expelled and scavenge air to be taken in by a positive air box pressure.
3. The lower crankshaft is timed 12 degrees before the upper crankshaft in order to expel exhaust gasses prior to the admittance of scavenging air.
4. As a two-stroke diesel engine is incapable of natural aspiration as defined above, some method of charging the cylinders with scavenging air must be integrated into the engine design.
5. As the chamber moved with the frame's circular motion, this partition effectively moved from side to side within the chamber, providing a pump action for the scavenge air.